baber/WOPTO huggingface dataset:
Patent WO-2021237920-A1 (WO)
Title: Welding system using welding moving trolley to load welding gun
Inventor: CHENG YUAN
IPC: B23K37/02
Filed: 2020-07-24
Abstract: A welding system using a welding moving trolley (68) to load a welding gun (39), with the welding system comprising a PLC control box (119), the welding moving trolley (68), a rail (71) laid on a position for welding, a digital fuse power supply system (118) and the welding gun (39), wherein the welding moving trolley (68) comprises a trolley body, a traveling mechanism fixed to the trolley body and used for driving the trolley body to travel along the rail (71), and a displacement adjusting mechanism fixed to the trolley body and used for adjusting longitudinal and latitudinal positions of the welding gun (39); and the displacement adjusting mechanism comprises a longitudinal moving mechanism and a transverse swing mechanism (30), an end of the transverse swing mechanism (30) is connected to a terminal tool connecting module (70), the welding gun (39) is connected to the transverse swing mechanism (30) by means of the terminal tool connecting module (70), the welding gun (39) is connected to the digital fuse power supply system (118) by means of a cable, and the traveling mechanism and the displacement adjusting mechanism in the welding moving trolley (68) and the digital fuse power supply system (118) are separately connected to the PLC control box (119) by means of cables.
Patent WO-2021208292-A1 (WO)
Inventor: XU LI
IPC: E04F15/02
Filed: 2020-07-30
Abstract: 本发明公开了一种用于地暖的羽翅型地板的拼接结构，包括骨干板(1)，骨干板(1)侧面设有一组拼接板(2)；所述拼接板(2)与骨干板(1)之间的夹角为45-75度。本发明具有拼接安装方便和能够提升美观性的特点。
Patent WO-2022021269-A1 (WO)
Inventor: WU LINCHUN
IPC: H01L27/115
Filed: 2020-07-31
Abstract: Methods for forming contact structures and semiconductor devices thereof are disclosed. In an example, a semiconductor device (200) includes an insulating layer (202), a conductive layer (208) over the insulating layer (202), and a spacer structure (220) in the conductive layer (208) and in contact with the insulating layer (202). The semiconductor device (200) also includes a first contact structure (216) in the spacer structure (220) and extending vertically through the insulating layer (202). The first contact structure (216) includes a first contact portion (216-1) and a second contact portion (216-2) in contact with each other. An upper surface of the second contact portion (216-2) is coplanar with an upper surface of the conductive layer (208).
Patent WO-2021068625-A1 (WO)
Title: Method and apparatus used for achieving pixel occupation of pixel page
Inventor: ZOU XUEQING
IPC: G06F16/957
Filed: 2020-08-05
Abstract: A method (100) and apparatus (1500) used for achieving the pixel occupation of a pixel page. In the method (100), in response to acquiring a pixel occupation request for a target pixel (A) that is initiated by a user on a client (10) device (110), a cost required for the occupation of the target pixel (A) is acquired (120), the cost required for the occupation of the target pixel (A) being determined on the basis of first pixel occupation information of the target pixel (A), and the first pixel occupation information being current latest pixel occupation information in a blockchain node (20). Subsequently, a pixel occupation transaction (130) is sent to the blockchain node (20), the pixel occupation transaction comprising a user account, a pixel identification of the target pixel (A), and the cost required for occupation. The pixel occupation transaction is executed at the blockchain node (20) (140). When the pixel occupation transaction is successful (160), second pixel occupation information corresponding to the pixel occupation transaction is used to complete pixel occupation processing.
Patent WO-2022032632-A1 (WO)
Title: Circuit de commande, pilote de del et procédé de commande
Inventor: MAO QIUXIANG
IPC: H05B45/36
Filed: 2020-08-14
Abstract: Circuit de commande, pilote de DEL et procédé de commande. Un dispositif de commande est configuré pour délivrer un signal de modulation à une puce à intensité réglable lorsqu'une entrée en courant continu est détectée, et la puce à intensité réglable attaque un commutateur d'un transformateur ou d'un convertisseur en fonction du signal de modulation. Ainsi, le test EMI peut être réussi en raison de changements de fréquence de commutation du convertisseur ou du transformateur et le filtre EMI comprenant de multiples inducteurs n'est pas nécessaire, et une taille compacte et un faible coût sont obtenus.
Patent WO-2022036491-A1 (WO)
Inventor: LO CHARLES NUNG
IPC: H04W24/10
Filed: 2020-08-17
Abstract: Des modes de réalisation comprennent des procédés de prise en charge de collecte et de rapport de métriques pour une diffusion multimédia en continu de cinquième génération (5G) dans un réseau de système 5G (5GS). Divers modes de réalisation comprennent des systèmes et des procédés permettant à un gestionnaire de session multimédia s'exécutant sur un processeur d'un dispositif sans fil connecté à un réseau d'accès radio (RAN) d'un réseau 5GS de recevoir un message de configuration de métriques en provenance d'un serveur de fonction d'application (AF) du réseau 5GS par l'intermédiaire d'une interface M5, le message de configuration de métriques indiquant une ou plusieurs exigences de mesure, de collecte et de rapport de métriques associées à un service de diffusion multimédia en continu 5G, et d'envoyer un rapport de métriques associé à la session multimédia au serveur AF par l'intermédiaire de l'interface M5.
Patent WO-2022000785-A1 (WO)
Inventor: CHEN LIQUAN
IPC: H02J3/01
Filed: 2020-09-10
Abstract: A wind turbine generator group, and a converter filter capacitor switching control method, apparatus, and system therefor, which relate to the field of wind power generation. The method comprises: acquiring a contactor delay influence factor of a converter and a voltage zero approximation period of a power grid connected to the wind turbine generator group (S101), the absolute value of the voltage of the power grid being less than a voltage zero approximation threshold during the voltage zero approximation period; obtaining the duration of the contactor delay according to the contactor delay influence factor (S102), the duration of the contactor delay being the duration from when the contactor receives a switching instruction to when the contactor pulls in or disconnects; on the basis of the voltage zero approximation period and the duration of the contactor delay, determining a switching time point of a filter capacitor (S103); and when the switching time point arrives, sending the switching instruction to the contactor, so that the pull-in time point or the disconnection time point of the contactor is located within the voltage zero approximation period (S104). The risk of failure occurring in the wind turbine generator group can be reduced.
Patent WO-2021135432-A1 (WO)
Title: System and method of hand gesture detection
Inventor: AL JAZAERY MOHAMMAD
IPC: G06N3/04
Filed: 2020-09-23
Abstract: A method includes: identifying, using a first image processing process, one or more first regions of interest (ROI), the first image processing process configured to identify first ROIs corresponding to a predefined portion of a respective human user in an input image; providing a downsized copy of a respective first ROI identified in the input image as input for a second image processing process, the second image processing process configured to identify a predefined feature of a respective human user and to determine a respective control gesture of a plurality of predefined control gestures corresponding to the identified predefined feature; and in accordance with a determination that a first control gesture is identified in the respective first ROI identified in the input image, and that the first control gesture meets preset criteria, performing a control operation in accordance with the first control gesture.
Patent WO-2022052179-A1 (WO)
Title: 超声神经调控装置
Inventor: ZHENG HAIRONG
IPC: A61N7/00
Filed: 2020-09-25
Abstract: 一种超声神经调控装置，包括平面超声换能器(100)、声透镜(200)以及声波准直器(300)，所述平面超声换能器(100)、所述声透镜(200)以及所述声波准直器(300)依次设置，声透镜(200)用于调控平面超声波倾斜聚焦，并呈由优弧线及连接优弧线两端的直线构成的形状，并包括多个同心设置的开口环(110)。平面超声换能器(100)发射平面超声波，平面超声波经声透镜(200)形成倾斜聚焦，如此，可通过调整倾斜角度将聚焦调整至预定位置，从而无需将动物固定，即可进行神经刺激。
Patent WO-2021174869-A1 (WO)
Title: 用户图片数据的处理方法、装置、计算机设备及存储介质
Inventor: JI QIJIN
IPC: G06T7/00
Filed: 2020-10-22
Abstract: 一种用户图片数据的处理方法、装置、计算机设备及存储介质，包括：生成页面数据，并在接收到用户端请求指令时将所述页面数据下发至所述用户端（S100）；对用户端上传的图片数据进行预处理，以删除清晰度不满足预设条件的部分图片数据（S200）；对预处理后的用户图片数据通过分类器进行分拣以得到M种类型用户图片数据（S300）；对所述M种类型用户图片数据进行真伪度检验以得到每种类型用户图片数据对应的真伪度校验结果（S400）；当所述真伪度校验结果满足预设条件时存储对应的用户图片数据，不满足预设条件时删除对应的用户图片数据并向所述用户端发送通知消息（S500）。上述方法可以对用户的图片数据执行即时鉴别，并反馈给用户端进行修改，提高了服务端处理用户端用户数据的效率。上述方法涉及区块链领域，适用于智慧医疗、智慧政务、科技金融等领域。
Patent WO-2022047943-A1 (WO)
Inventor: LIU JIANCHUAN
IPC: H01Q1/52
Filed: 2020-10-26
Abstract: The present application provides an antenna module and a terminal device using the antenna module. The antenna module comprises a first antenna unit, a second antenna unit, and a circuit board; the first antenna unit and the second antenna unit are separately electrically connected to the circuit board; the circuit board comprises two first surfaces parallel and opposite to each other and a first side surface connecting the two first surfaces; the first antenna unit comprises a first radiator, the first radiator is stacked above the circuit board, and the first radiator is spaced from and opposite to the first surfaces; the second antenna unit comprises a second radiator, and the second radiator is at least partially spaced apart from and disposed outside the first side surface of the circuit board. According to the present application, a tightly coupled antenna module can be decoupled; thus, the isolation of the antenna module is improved, and the antenna performance is also taken into account.
Patent WO-2021120852-A1 (WO)
Inventor: TANG HUIQIANG
IPC: A61B50/22
Filed: 2020-10-26
Abstract: 一种医疗器械系统（1000），包括医疗器械（100）及固定医疗器械（100）的固定板（900），在固定板（900）上沿一轨迹（904）剪切出固定件（901，902，903，1003，1004），固定件（901，902，903，1003，1004）包括自由端（908，9031，10032，10042）和连接端（907，9035，10031，10041），连接端（907，9035，10031，10041）与固定板本体（990）连接，自由端（908，9031，10032，10042）可以突出固定板本体（990）所在平面，固定件（901，902，903，1003，1004）能够围绕医疗器械（100）的外表面，以固定医疗器械（100）；或者医疗器械（100）能够穿过固定件（901，902，903，1003，1004），并固定医疗器械（100），轨迹（904）包括起始端（905，1007）和结束端（906，1008），当固定件（901，902，903，1001，1002，1005，1006）的外轮廓与固定板上固定件的轨迹重合时，起始端（905，1007）相对于固定件（901，902，903，1001，1002，1005，1006）向外或向内旋转，形成第一弧形；结束端（906，1008）相对于固定件（901，902，903，1001，1002，1005，1006）向外或向内旋转，形成第二弧形。该医疗器械系统（1000）能够在运输过程中受到外力作用时能够保证医疗器械系统（1000）的稳固性。
Patent WO-2022067931-A1 (WO)
Title: 显示基板及显示装置
Inventor: CHENG YUDIAO
IPC: H01L27/32
Filed: 2020-10-28
Abstract: 一种显示基板及显示装置。显示基板具有安装区（Q3），与安装区（Q3）相邻的第一显示区（Q1），以及包围第一显示区（Q1）和/或安装区（Q3）的第二显示区（Q2）；其中，显示基板包括：基底，驱动电路层，设置在基底上；驱动电路层包括多个像素驱动电路（10）；多个像素驱动电路（10）位于第一显示区（Q1）和第二显示区（Q2），且位于第二显示区（Q2）中的像素驱动电路（10）的排布密度小于位于第一显示区（Q1）中的像素驱动电路（10）的排布密度；多个发光器件（D），位于安装区（Q3）、第一显示区（Q1）和第二显示区（Q2）；一个发光器件（D）的第一电极（D1）电连接一个像素驱动电路（10），且位于安装区（Q3）中的发光器件（D）的第一电极（D1）电连接的像素驱动电路（10）位于第一显示区（Q1）。
Patent WO-2022088047-A1 (WO)
Inventor: YUAN SHUGUANG
IPC: A61K31/167
Filed: 2020-10-30
Abstract: ITF2357在制备预防和治疗冠状病毒的药物中的应用。ITF2357或其可药用的盐、同位素、立体异构体、立体异构体的混合物、互变异构体、酯、酰胺或前药在制备预防和治疗冠状病毒所致疾病的药物中的应用。所述的冠状病毒为新型冠状病毒SARS-Cov-2、SARS-CoV、HCoV 229E、NL63、OC43、HKU1和MERS-CoV。冠状病毒所致疾病为SARS-Cov-2、SARS-CoV、HCoV 229E、NL63、OC43、HKU1或MERS-CoV任一病毒引起的肺炎或其并发症。首次证实了ITF2357对新冠肺炎新型冠状病毒抑制作用，半数有效浓度低，具有极大潜力。
Patent WO-2021089042-A1 (WO)
Inventor: CAO YU
IPC: H04W72/12
Filed: 2020-11-09
Abstract: Methods and systems are provided that facilitate sidelink (SL) retransmission scheduled by the network if a SL transmission of a transport block (TB) is unsuccessful. Signalling is used by the network to send a configured grant of transmission resources available for SL transmissions by the UE that repeat on a periodic basis within each of period. The UE makes SL transmissions during one of the periods by transmitting one or more SL transmissions of at least one transport block using the configured resources. The network can schedule a retransmission by transmitting a downlink control information (DCI) to schedule a SL retransmission of one of the transmitted TB. The UE transmits a SL transmission containing a retransmission of the transport block using resources specified in the DCI. The UE transmits a sidelink control information associated with each SL transmission, containing a HARQ process ID for the SL transmission.
Patent WO-2021104462-A1 (WO)
Title: 一种性能优异的带涂层热成形部件及其制造方法
Inventor: TAN NING
IPC: C22C38/04
Filed: 2020-11-27
Abstract: 一种性能优异的带涂层热成形部件及其制造方法，热成形部件所述热成形部件包括基板及其上涂层；基板成分重量百分比为：C：0.01～0.8％，Si：0.05～1.0％，Mn：0.1～5％，P：0.001～0.3％，S：0.001～0.1％，Al：0.001～0.3％，Ti：0.001～0.5％，B：0.0005～0.1％，Nb：0.001～0.5％，V：0.001～0.5％，其余为Fe及其他不可避免杂质；热成形部件外观无色差、无花斑，热成形部件表面氧含量为0.1～20wt.％，标准偏差相对于其表面氧含量平均值的比满足：0<氧含量标准偏差/氧含量平均值≤0.3。制造方法中热处理、传输和热冲压的带镀层钢板未经涂油处理。
Patent WO-2021121192-A1 (WO)
Title: 电动车及其电池
Inventor: TANG JUN
IPC: B62M6/90
Filed: 2020-12-14
Abstract: 一种电池(100)和包括该电池的电动车。电池（100）包括：电池主体(10)；提手座(20)，提手座(20)设置于电池主体(10)的侧壁，提手座(20)设置有插槽(221)；提手(30)，提手(30)设置于提手座(20)；钥匙(40)，钥匙(40)插在插槽(221)内。
Patent WO-2022068079-A1 (WO)
Inventor: REN YANLI
IPC: C12N15/11
Filed: 2020-12-14
Abstract: A method for detecting Hepatitis B virus (HBV) T216C mutation based on micro-droplet digital PCR technology. By combining micro-droplet digital PCR technology with an amplification mutation system method, i.e., making use of the advantages of high sensitivity and absolute quantification of a digital PCR in combination with the advantage of high specificity of an amplification refractory mutation system, a method capable of detecting a low-abundance HBV mutation situation early is developed, so as to better satisfy the requirements of clinical medication and scientific research.
Patent WO-2022134059-A1 (WO)
Inventor: LUO CHAOMING
IPC: H04L9/32
Filed: 2020-12-25
Abstract: La présente demande concerne un procédé et un dispositif de traitement de jeton d'accès. Selon un aspect, le procédé de traitement de jeton d'accès comprend l'étape suivante : un premier dispositif reçoit, en provenance d'un second dispositif, un jeton d'accès d'au moins un niveau. Selon un autre aspect, le procédé de traitement de jeton d'accès comprend l'étape suivante : un second dispositif envoie, à un premier dispositif, un jeton d'accès d'au moins un niveau. Selon des modes de réalisation de la présente demande, des droits d'accès plus précis peuvent être contrôlés au moyen de différents niveaux de jetons d'accès.
Patent WO-2021190024-A1 (WO)
Inventor: XIONG CHAO
IPC: H04L47/22
Filed: 2020-12-28
Abstract: The present application relates to a data stream equivalent connection optimization method and system, and an electronic device. The method comprises: performing difference calculation on independent elements of received multiple data streams by using a Hamming norm algorithm; calculating an intersection between the multiple data streams according to the difference calculation result to obtain the number of elements that need to be connected equivalently in the multiple data streams; and determining an equivalent connection sequence according to the number of elements, and performing an equivalent connection optimization operation on the multiple data streams. In the present application, there is no limitation of a window size, and in a connection process, tuple data will not be lost, thereby ensuring the correctness of the result. In addition, the algorithm of the present application has a constant level of space complexity and a small amount of data backup, and can be used when the data streams change dynamically.
Patent WO-2022141639-A1 (WO)
Inventor: LI XIAOLONG
IPC: H04W76/00
Filed: 2021-01-04
Abstract: Des modes de réalisation de la présente divulgation concernent un procédé de resélection de cellule, appliqué à un côté réseau. Le procédé fait appel aux étapes suivantes : l'envoi d'informations d'indication, les informations d'indication comprenant des informations de temps de service et des informations de plage efficace, les informations de temps de service indiquant un temps de service lorsqu'une cellule fournit un service à un terminal, et les informations de plage efficace indiquant une plage efficace dans laquelle le temps de service est efficace.
Patent WO-2022121079-A1 (WO)
Title: Link aggregation method for traffic forwarding device and traffic forwarding device
Inventor: CHEN KAILIN
IPC: H04L12/803
Filed: 2021-01-11
Abstract: Disclosed in the present application are a link aggregation method for a traffic forwarding device and the traffic forwarding device. The traffic forwarding device has at least two links to be selected, and each link has a respective priority. The method comprises: calculating a historical packet flow rate at which the traffic forwarding device forwards packets to the at least two links within a current cycle, and on the basis of the packet flow rate, predicting a packet flow rate corresponding to the next cycle; comparing the packet flow rate with restricted bandwidths of the links in sequence according to the priorities, and according to the comparison result, determining a traffic distribution ratio of the links in the next cycle; and forwarding the packets to the links according to the traffic distribution ratio within the next cycle.
Patent WO-2021143933-A1 (WO)
Inventor: ZHANG LEI
IPC: B01D53/56
Filed: 2021-01-19
Abstract: 一种碱回收炉内脱硝方法，包括以下步骤：将固体尿素颗粒经过脱硝剂存储供应系统进行水解，将水解后的尿素产物经过计量控制单元与还原风单元的出风在静态混合单元中混合后送入炉膛反应单元进行脱硝处理。该脱硝方法不受锅炉尺寸的影响，且脱硝效率较高，氨逃逸率低、泄漏量较小，避免造成二次污染，能够保证反应温度和停留时间，使得碱回收炉烟气中不含有碱灰，有效降低碱回收炉出口烟气中的NO  x 。
Patent WO-2021179858-A1 (WO)
Inventor: LIU JIE
IPC: H02H7/20
Filed: 2021-02-03
Abstract: A protection apparatus (100) and method for an insulated gate bipolar transistor. The protection apparatus (100) comprises: a collection circuit (101), which collects a driving signal of an IGBT, performs delay processing insofar as the driving signal is a first level used for switching on the IGBT, or is a first level that is converted from a second level used for switching off the IGBT and is used for switching on the IGBT, and outputs a first signal according to a signal after delay processing and the driving signal; a measurement circuit (102), which measures a voltage between a collector electrode and an emitter electrode of the IGBT, and outputs a second signal according to the voltage and a preset threshold value; and a determination circuit (103), which outputs an alarm signal or a protection signal insofar as both the first signal and the second signal are valid. Thus, delay processing can be performed with a simple structure without affecting driving signals, the performance of an IGBT can be improved, the cost for circuit protection can be reduced, and the control over the IGBT is enabled to be more easily adjusted.
Patent WO-2021155820-A1 (WO)
Title: Document processing method and device, and page processing method and device
Inventor: HU YIYU
IPC: G06F40/169
Filed: 2021-02-04
Abstract: Provided are a document processing method and device, and a page processing method and device. The document processing method comprises: displaying a target document in a display interface (101); detecting an operation, which is executed by a user in the display interface, for drawing a specific shape, and obtaining a target area corresponding to the specific shape (102); acquiring annotation content entered by the user for target content corresponding to the target area (103); and updating and displaying the target document on the basis of the association relationship between the target content and the annotation content, such that the target document displayed in the display interface contains the annotation content that has an association relationship with the target content (104). Therefore, the document annotation efficiency is improved.
Patent WO-2021218271-A1 (WO)
Inventor: CHENG WENFENG
IPC: H02M1/36
Filed: 2021-02-04
Abstract: The present disclosure relates to a power converter starting control method and apparatus, and a power converter starting system. Said method comprises: outputting a pulse width modulation signal to a power converter, the pulse width modulation signal being used for driving a power transistor of the power converter; acquiring a working frequency of the power converter; and when the working frequency of the power converter is greater than a set working frequency, gradually reducing the frequency of the pulse width modulation signal, so as to reduce the working frequency of the power converter. When the working frequency of the power converter is greater than the set working frequency, the frequency of the pulse width modulation signal is gradually reduced, so as to reduce the working frequency of the power converter; the power converter is started in a time-domain frequency conversion manner, the starting process does not need switching, and failures such as hardware overcurrent and software overcurrent and overvoltage do not occur, thereby being safe and reliable, and improving the reliability of power converter starting control.
Patent WO-2022170596-A1 (WO)
Title: 聚焦治疗头和医疗设备
Inventor: GUO ZHAO
IPC: A61N5/10
Filed: 2021-02-10
Abstract: 一种聚焦治疗头，包括：载源体，所述载源体上开设有通孔，所述通孔被配置为承载放射源；准直器组件，所述准直器组件设置于所述载源体中所述放射源发出射线的路径上，所述准直器组件包括第一移动准直器，所述第一移动准直器上开设有多个第一准直通道组；所述第一移动准直器可相对于所述载源体在所述第一状态和第二状态之间运动，所述第一状态包括所述第一移动准直器上的任一个第一准直通道组与所述通孔对应；所述第二状态包括所述通孔在所述第一移动准直器所在平面的正投影，与所述第一移动准直器之间无交叠。
Patent WO-2021164748-A1 (WO)
Title: Surgical instrument, surgical instrument system, and surgical robot
Inventor: JIANG YOUKUN
IPC: A61B34/37
Filed: 2021-02-19
Abstract: A surgical instrument (100), a surgical instrument system, and a surgical robot. The surgical robot comprises the surgical instrument system; the surgical instrument system comprises the surgical instrument (100); the surgical instrument (100) comprises an instrument tail end (1000) and an instrument box (2000), wherein the instrument tail end (1000) comprises at least one joint, and the joint has a zero position and a non-zero position; the instrument box (2000) comprises a base (2300), a driving shaft (2100), and a reset assembly; the driving shaft (2100) is transmittingly connected to the instrument tail end (1000); when the instrument tail end (1000) is located at the non-zero position, the reset assembly is used for driving the driving shaft (2100) to rotate, thereby driving the joint of the instrument tail end (1000) to move to the zero position. The joint of the instrument tail end (1000) is adjusted by using the reset assembly so that the joint of the instrument tail end (1000) returns to the zero position to avoid contamination caused by the fact that an operator directly touches the instrument tail end (1000) by using a hand, and the instrument tail end (1000) can also be adjusted outside a body cavity so as to facilitate the instrument tail end (1000) being pulled out from a Trocar puncture device.
Patent WO-2021208614-A1 (WO)
Title: Virtual object control method and apparatus, device, and storage medium
Inventor: CHEN YU
IPC: A63F13/56
Filed: 2021-03-01
Abstract: Disclosed are a virtual object control method and apparatus, a device, and a storage medium. The method comprises: displaying a virtual game interface; acquiring a first operation signal corresponding to a function trigger control; and receiving a first trigger operation for the function trigger control, and in response to the first trigger operation meeting an activation condition and on the basis of operation information of the first trigger operation, determining a first virtual object in n virtual objects as an attack target. According to the technical solution, the attack target is determined directly by means of a target aiming function of the function trigger control and attribute information of the operation signal, such that for virtual scenarios in different situations, the attack target has direction and stability.
Patent WO-2021180078-A1 (WO)
Title: 利用雪蟹壳制造壳聚糖的制备方法
Inventor: GUO XIAOHUA
IPC: C07C51/42
Filed: 2021-03-09
Abstract: 利用雪蟹壳制造壳聚糖的制备方法，包括蟹壳预处理、柠檬酸溶液脱钙、提取有机钙、再次脱钙处理、酶解脱蛋白、提取蛋白粉、甲壳质制备、脱乙酰基和脱色处理步骤。